It is no surprise that Interviews have always been a nerve-racking experience. Every individual passes through the phase of tension and jitters when it comes to interviews. Well, Just Relax! Don’t Panic. Here we bring you the best tips to help you land your dream job as a Data Analyst.
Data Analyst interview questions are rather a combination of testing your technical and management skills. When it comes to the technical part, it has something to do with your programming skills, like how you operate with SQL, SAS, Python, R, or any other programming language that is mentioned in the job description. The purpose of the employer to toast you with such programming questions is to make sure if you are comfortable working around with loads of programming efficiently and effectively. So, here the interviewer isn’t just looking for “Yes” as your answer. I’ve done this. I’ve had this course of training. They’re looking for what can you do with it – what skills do you have?
It does not matter if you have undertaken all kinds of training in the world, but you are unable to implement it and put it to use. It surely seems then that you are not a helpful candidate for their firm.
Skills one must possess to become a Data Analyst.
- High mathematical ability
- Ability to analyze
- model and interpret data
- Problem-solving skills
- A methodical and logical approach
- Accuracy and error solving skills
- Able to analyze, organize, collect, and disseminate Big Data efficiently.
- Substantial technical knowledge in fields like database design, data mining, and segmentation techniques.
- Have a sound knowledge of statistical packages for analyzing massive datasets such as SAS, Excel, and SPSS, to name a few.
After clearing technical questions round, they usually shift to asking fairly simpler questions that describe your personality and how would you manage yourself and your work at your workplace. And when you get here, just try to make it simple and real, don’t look for fancy words; it’s time to be yourself and for sure, you will be able to crack the interview.
When being interviewed for a data analyst job role, candidates want to do everything that can let the interviewer see their communication skills, analytical skills and problem-solving abilities. These data analyst interview questions and answers will help newly minted data analyst job candidates prepare for analyst –specific interview questions.
1. Why do you want to be a data analyst?
There are many roles out there for data analysts within various industries. This question will tell the interviewer about your thought process in choosing this role. Answer this question with the STAR method by explaining the key reasons you want to be a data analyst as well as which key skills you have for the role:
“A data analyst’s job is to take data and use it to help companies make better business decisions. I’m good with numbers, collecting data, and market research. I chose this role because it encompasses the skills I’m good at, and I find data and marketing research interesting.”
2. Which area would you prefer to work in and why?
There are many different types of data analysts, including operations analysts, marketing analysts, financial analysts, and more. Explain which type you prefer. Be specific in your answer to indicate to the interviewer that you’ve done your research.
You might answer something like this:
“I would prefer to work as a marketing analyst because it’s in line with my skills and interests. In addition, I have seen that the companies who hire for this role work in industries that are booming and can, therefore, provide good career growth.
3. Which data analyst software are you trained in?
This question tells the interviewer if you have the hard skills needed and can provide insight into what areas you might need training in. It’s also another way to ensure basic competency. In your answer, include the software the job ad emphasized, any experience with that software you have, and use familiar terminology.
Here’s a sample answer:
“I have a breadth of software experience. For example, at my current employer, I do a lot of ELKI data management and data mining algorithms. I can also create databases in Access and make tables in Excel.”
4. What was your most difficult data analysis project?
With a question like this, the interviewer is gaining insight into how you approach and solve problems. It also provides an idea of the type of work you have already done. Be sure to explain the event, action, and result (EAR), avoid blaming others and explain why this project was difficult:
“My most difficult project was on endangered animals. I had to predict how many animals would survive until 2020, 2050, and 2100. Before this, I’d dealt with data that was already there, with events that had already happened. So, I researched the various habitats, the animal’s predators and other factors, and did my predictions. I have high confidence in the results.”
5. Take a few minutes to explain how you would estimate how many tourists visit Paris every May.
Many interviewers ask you this type of behavioral questions to see an analyst’s thought process without the help of computers and data sets. After all, technology is only as good and reliable as the people behind it. In your answer include: how you identified the variables, how you communicated them, and ideas you had to find the answer.
This example answer touches on all these points:
“First, I would gather data on how many people live in Paris, how many tourists visit in May, and their average length of stay. I’d break down the numbers by age, gender, and income, and find the numbers on how many vacation days and bank holidays there are in France. I’d also figure out if the tourist office had any data I could look at.”
Data Analyst Interview Questions asked at Top Tech Companies
- How will you design a life for a 100 floor building? (Asked at Credit Suisse)
- How will you find the nth number from last in a single linked list? (Asked at BlackRock)
- How would you go about finding the differences between two sets of data? (Asked at EY)
- What is the angle between the hour and the minute hand at 3:15? (Asked at EY)